It's Keet, not Keep
Looks like you're well on the way to a very good object.
To drill a hole in the door:
Create a wall the size of the door.
Rotate and resize a cylinder to the size of the hole you need.
Export the cylinder and import it as "Door or window".
Now the cylinder acts like a window and cuts a hole in the wall.
Elevate and move to the correct position and export only the wall. Even if you don't include the cylinder the hole will be preserved.
Import and you have a door with the hole in it.
Don't forget the material renaming. A door with material named "wall_1" is a little strange
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